Demistify DocumentParser::append

Source/core/loader/DocumentWriter.cpp

 /*
  * Copyright (C) 2010. Adam Barth. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 61 matching lines @@
     visitor->trace(m_document);
     visitor->trace(m_parser);
 }
 
 void DocumentWriter::appendReplacingData(const String& source)
 {
     m_document->setCompatibilityMode(Document::NoQuirksMode);
 
     // FIXME: This should call DocumentParser::appendBytes instead of append
     // to support RawDataDocumentParsers.
-    if (DocumentParser* parser = m_document->parser()) {
-        // Because the parser is pinned to the main thread we don't need to worry about
-        // passing ownership of the source string.
-        parser->append(source.impl());
-    }
+    if (DocumentParser* parser = m_document->parser())
+        parser->append(source);
 }
 
 void DocumentWriter::addData(const char* bytes, size_t length)
 {
     ASSERT(m_parser);
     if (m_parser->needsDecoder() && 0 < length) {
         OwnPtr<TextResourceDecoder> decoder = m_decoderBuilder.buildFor(m_document);
         m_parser->setDecoder(decoder.release());
     }
     // appendBytes() can result replacing DocumentLoader::m_writer.
@@ skipping 32 matching lines @@
         decoder->setEncoding(charset, TextResourceDecoder::UserChosenEncoding);
 }
 
 void DocumentWriter::setDocumentWasLoadedAsPartOfNavigation()
 {
     ASSERT(m_parser && !m_parser->isStopped());
     m_parser->setDocumentWasLoadedAsPartOfNavigation();
 }
 
 } // namespace blink